CN118842203B - Modularized multi-relay wireless energy transmission system structure - Google Patents
Modularized multi-relay wireless energy transmission system structure Download PDFInfo
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- CN118842203B CN118842203B CN202411329507.1A CN202411329507A CN118842203B CN 118842203 B CN118842203 B CN 118842203B CN 202411329507 A CN202411329507 A CN 202411329507A CN 118842203 B CN118842203 B CN 118842203B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/005—Mechanical details of housing or structure aiming to accommodate the power transfer means, e.g. mechanical integration of coils, antennas or transducers into emitting or receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/50—Circuit arrangements or systems for wireless supply or distribution of electric power using additional energy repeaters between transmitting devices and receiving devices
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/70—Circuit arrangements or systems for wireless supply or distribution of electric power involving the reduction of electric, magnetic or electromagnetic leakage fields
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- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Aerials (AREA)
- Near-Field Transmission Systems (AREA)
Abstract
The application provides a modularized multi-relay wireless energy transmission system structure which comprises a relay energy transmission assembly, a transmitting assembly and a receiving assembly, wherein the relay energy transmission assembly comprises a core rod and a relay coil which is annularly arranged relative to the core rod, a first hardware fitting and a second hardware fitting are respectively arranged at two ends of the core rod, the transmitting assembly comprises a first insulating shell and a transmitting coil, the receiving assembly comprises a second insulating shell and a receiving coil, the transmitting coil is fixed in the first insulating shell and annularly arranged relative to the first hardware fitting, and the receiving coil is fixed in the second insulating shell and annularly arranged relative to the second hardware fitting. According to the application, the transmitting coil and the insulating coil are arranged by adopting the insulating shell, so that the risk of cracking of insulating materials caused by leading out wires again after the transmitting coil and the receiving coil are subjected to insulating packaging can be avoided while the wireless energy transfer among the transmitting coil, the relay coil and the receiving coil is ensured.
Description
Technical Field
The application relates to the technical field of electric energy transmission, in particular to a modularized multi-relay wireless energy transmission system structure.
Background
The on-line monitoring equipment on the transmission line is mainly used for carrying out real-time monitoring and data analysis on the transmission line and the surrounding environment thereof, for example, the on-line monitoring equipment can capture real-time pictures of the transmission line and the surrounding environment thereof through a high-definition camera and timely discover and cope with potential risks such as artificial damage, natural environment change and the like, and for example, the on-line monitoring equipment can collect meteorological data including temperature, humidity, wind speed, wind direction and the like through a sensor so as to predict and prevent line faults caused by severe weather.
At present, on-line monitoring equipment generally adopts modes such as battery power supply, photovoltaic power generation, wind power generation and the like to supply energy, however, the battery power supply needs to be replaced by a manual disassembly and installation mode, and the photovoltaic power generation and the wind power generation are limited by natural conditions and are difficult to maintain high-efficiency work for a long time. In the related art, the wireless power transmission solves the problems of battery replacement, natural condition restriction and the like in the power supply of the on-line equipment, and provides stable and reliable power supply for the on-line monitoring equipment of the power transmission line.
However, in the conventional wireless power transmission device, a transmitting coil, a relay coil, a receiving coil and a core rod are generally subjected to integrated insulation packaging, for example, chinese patent (CN 118249527 a) discloses a multi-relay magnetic coupling wireless power supply system based on an optimal efficiency condition, after the transmitting coil and the receiving coil are subjected to insulation packaging (for example, made of an epoxy resin material), a lead wire is required to be connected with an external circuit (for example, an inverter circuit or a rectifying circuit), so that the difficulty in process implementation is high, meanwhile, after long-time outdoor service, a cracking problem is easy to occur at the lead wire lead-out position, water vapor invades the inside of an insulating layer through a crack, and finally, the potential safety hazard of insulation failure of the whole system is caused.
Disclosure of Invention
The application provides a modularized multi-relay wireless energy transmission system structure, and aims to solve the technical problems.
In a first aspect, the present application provides a modular multi-relay wireless energy transfer system architecture, comprising:
The relay energy transmission assembly comprises a core rod and a relay coil which is annularly arranged relative to the core rod, wherein the core rod and the relay coil are integrally and insulated and packaged, and the two ends of the core rod are respectively provided with a first hardware fitting and a second hardware fitting;
the transmitting assembly comprises a first insulating shell and a transmitting coil, and the first insulating shell is detachably arranged on the first hardware fitting in an annular shape;
the receiving assembly comprises a second insulating shell and a receiving coil, and the second insulating shell is detachably arranged on the second hardware fitting in an annular shape;
The transmitting coil is fixed in the first insulating shell and is annularly arranged relative to the first hardware fitting, and the receiving coil is fixed in the second insulating shell and is annularly arranged relative to the second hardware fitting.
In some embodiments, a first electromagnetic shield box made of a conductor is provided inside the first insulating housing;
the first electromagnetic shielding box is internally provided with a first circuit board with an inverter circuit, and the first circuit board is electrically connected with the transmitting coil.
In some embodiments, the first electromagnetic shield box is non-annularly disposed within the first insulating housing;
The first electromagnetic shielding box and the transmitting coil are respectively arranged on the inner wall surfaces opposite to the first insulating shell.
In some embodiments, the first insulating housing is further provided inside with a first coil fixing ring made of an insulating material;
The first coil fixing ring divides the inner space of the first insulating shell into a first chamber and a second chamber along the axis of the core rod;
the transmitting coil is arranged in the first cavity, and the first electromagnetic shielding box is arranged in the second cavity.
In some embodiments, the launch assembly further comprises a first annular fixed block, a first compression block, and at least two first clasping blocks;
The first annular fixing block is fixed on the first insulating shell and is provided with a first through hole, and the first hardware fitting is arranged in the first through hole in a penetrating manner;
The at least two first enclasping blocks are annularly arranged at intervals around the first hardware fitting, and the first compression block abuts against the first enclasping blocks so that the at least two first enclasping blocks are filled between the first annular fixed block and the first hardware fitting.
In some embodiments, the first annular securing block and the first clasping block are electrically conductive;
The first enclasping block is in electrical contact with the first hardware fitting, so that the first annular fixing block, the first enclasping block and the first hardware fitting form an equipotential body, and the first annular fixing block and the first enclasping block are located on one side, far away from the relay coil, of the transmitting coil.
In some embodiments, the inner diameter of the first through hole gradually decreases in a direction toward the relay coil;
The cross-sectional area of the first enclasping block perpendicular to the axis of the first through hole gradually decreases in a direction pointing to the relay coil.
In some embodiments, the first enclasping block has a plurality of first enclasping portions arranged at intervals around the first fitting circumferential direction, and a first connecting portion connecting adjacent first enclasping portions along an outer periphery of the first enclasping block;
when the first clamping block is clamped by the first clamping block, the end parts of the adjacent first clamping parts, which deviate from the first connecting parts, are mutually folded so as to reduce the inner peripheral diameter of the first clamping block and clamp the first hardware fitting.
In some embodiments, the launch assembly further comprises a first equalizing ring;
the first equalizing ring is located the periphery of transmitting coil, and first equalizing ring and first annular fixed block electricity are connected to make first equalizing ring and first gold utensil form the equipotential body.
In some embodiments, a second electromagnetic shield box made of a conductor is provided inside the second insulating housing;
The second electromagnetic shielding box is internally provided with a second circuit board with a rectifying circuit, and the second circuit board is electrically connected with the receiving coil.
In some embodiments, the second electromagnetic shield box is disposed in a non-annular shape within the second insulating housing;
the second electromagnetic shielding box and the receiving coil are respectively arranged on the inner wall surfaces opposite to the second insulating shell.
In some embodiments, a second coil fixing ring made of an insulating material is further provided inside the second insulating housing;
The second coil fixing ring divides the inner space of the second insulating shell into a third chamber and a fourth chamber along the axis of the core rod;
the receiving coil is arranged in the third cavity, and the second electromagnetic shielding box is arranged in the fourth cavity.
In some embodiments, the receiving assembly further comprises a second annular fixed block, a second compression block, and at least two second clasping blocks;
The second annular fixing block is fixed on the second insulating shell and is provided with a second through hole, and the second hardware fitting is arranged in the second through hole in a penetrating manner;
The second clamping blocks are annularly arranged at intervals around the second hardware fitting, and the second compression blocks are abutted against the second clamping blocks so that the second clamping blocks are filled between the second annular fixing blocks and the second hardware fitting.
In some embodiments, the inner diameter of the second through hole gradually decreases in a direction toward the relay coil;
the cross-sectional area of the second enclasping block perpendicular to the axis of the second through hole gradually decreases in the direction toward the relay coil.
In some embodiments, the second enclasping block has a plurality of second enclasping portions arranged at intervals around a circumferential direction of the second fitting, and a second connecting portion connecting adjacent second enclasping portions along an outer periphery of the second enclasping block;
When the second compacting block compacts the second enclasping block, the end parts of the adjacent second enclasping parts, which deviate from the second connecting parts, are mutually folded so as to reduce the inner peripheral diameter of the second enclasping block and enclasp the second hardware fitting.
In a second aspect, the present application provides an on-line monitoring system for a power transmission line, including:
A power supply;
The modular multi-relay wireless energy transfer system architecture of the first aspect, the modular multi-relay wireless energy transfer system architecture being electrically connected to a power source;
The on-line monitoring device is electrically connected with the modularized multi-relay wireless energy transmission system structure, so that the power supply supplies power to the on-line monitoring device through the modularized multi-relay wireless energy transmission system structure.
According to the application, the first insulating shell is detachably arranged on the first hardware fitting in an annular shape, and the second insulating shell is detachably arranged on the second hardware fitting in an annular shape, so that the transmitting coil is fixed in the first insulating shell and is annularly arranged relative to the first hardware fitting, the receiving coil is fixed in the second insulating shell and is annularly arranged relative to the second hardware fitting, the wireless energy transmission among the transmitting coil, the relay coil and the receiving coil can be ensured, and the cracking risk caused by directly leading out wires at the insulating packaging layers of the transmitting coil and the receiving coil can be avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a modular multi-relay wireless energy transfer system architecture provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of a relay energy transfer assembly according to an embodiment of the present application;
FIG. 3 is a schematic illustration of an assembly of a firing assembly provided in an embodiment of the present application;
FIG. 4 is an exploded view of a firing assembly provided in an embodiment of the present application;
FIG. 5 is an assembly schematic of a receiving assembly provided in an embodiment of the present application;
FIG. 6 is an exploded view of a receiving assembly provided in an embodiment of the present application;
FIG. 7 is a schematic cross-sectional view of a launch assembly provided in an embodiment of the present application;
FIG. 8 is a schematic view of a first enclasping block provided in an embodiment of the present application;
FIG. 9 is a schematic cross-sectional view of a receiving assembly provided in an embodiment of the present application;
Fig. 10 is a schematic structural view of a second enclasping block according to an embodiment of the present application.
The energy transmission assembly 10 is characterized by comprising an energy transmission assembly 11, a core rod 12, a relay coil 12, a first hardware fitting 13, a second hardware fitting 14, a second hardware fitting 15, an umbrella skirt interior and a sheath 16;
the first electromagnetic shielding box comprises a 20 emitting assembly, a 21 first insulating shell, a 211 first shell piece, a 212 second shell piece, a 201 first cavity, a 202 second cavity, a 22 emitting coil, a 23 first electromagnetic shielding box, a 24 first coil fixing ring, a 25 first annular fixing block, a 251 first through hole, a 26 first holding block, a 261 first holding part, a 262 first connecting part, a 27 first pressing block, a 28 first equalizing ring and a 29 first waterproof connector;
30 receiving assembly, 31 second insulating housing, 311 third housing piece, 312 fourth housing piece, 301 third chamber, 302 fourth chamber, 32 receiving coil, 33 second electromagnetic shield box, 34 second coil fixing ring, 35 second annular fixing block, 351 second through hole, 36 second holding block, 361 second holding portion, 362 second connecting portion, 37 second pressing block, 38 second waterproof joint.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to fall within the scope of the application.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present application, the term "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described as "exemplary" in this disclosure is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for purposes of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes have not been described in detail so as not to obscure the description of the application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
The embodiment of the application provides a modularized multi-relay wireless energy transmission system structure, which is respectively described in detail below.
Referring first to fig. 1, fig. 1 shows a schematic structural diagram of a modularized multi-relay wireless energy transmission system structure according to an embodiment of the present application, where the modularized multi-relay wireless energy transmission system structure includes a relay energy transmission component 10, a transmission component 20, and a receiving component 30.
The relay energy transmission assembly 10 is an energy relay for wireless transmission of energy between the transmitting assembly 20 and the receiving assembly 30, and the relay energy transmission assembly 10 can receive the electric energy sent by the transmitting assembly 20 based on the electromagnetic induction principle and transmit the electric energy to the receiving assembly 30 based on the electromagnetic induction principle, so that wireless electric energy transmission between the transmitting assembly 20 and the receiving assembly 30 is realized. Specifically, referring to fig. 2, fig. 2 shows a schematic structural diagram of a relay energy transmission assembly 10 according to an embodiment of the present application, where the relay energy transmission assembly 10 includes a mandrel 11 and a relay coil 12 annularly disposed with respect to the mandrel 11, generally, two ends of the mandrel 11 are respectively provided with a first fitting 13 and a second fitting 14 for mounting, and a transmitting assembly 20 and a receiving assembly 30 may be respectively and fixedly mounted at the fittings 13 at two ends of the mandrel 11, and meanwhile, the mandrel 11 and the relay coil 12 are integrally and insulated and packaged, so that the mandrel 11 and the relay coil 12 form an integral structure and ensure insulation of the relay coil 12.
Illustratively, the mandrel 11 and the relay coil 12 may be integrally and insulatively encapsulated by various insulating materials such as mica, asbestos, rubber, epoxy, etc., the relay coil 12 is encapsulated inside an umbrella skirt 15 made of insulating material, and the mandrel 11 is encapsulated inside a sheath 16 made of insulating material.
It will be appreciated that one or more relay coils 12 may be provided in a ring arrangement with respect to the mandrel 11, depending on factors such as the distance of wireless energy transfer and the magnetic field strength of the intermediate coil, and may be provided by those skilled in the art according to actual needs, and the present application is not particularly limited.
The transmitting assembly 20 is connected to an external power source through a wire so that the transmitting assembly 20 converts electric energy of the external power source into magnetic field energy through electromagnetic induction, thereby indirectly transferring the electric energy of the external power source to the relay coil 12 of the relay energy transmission assembly 10. Specifically, referring to fig. 3 and 4, fig. 3 shows an assembly schematic diagram of the transmitting assembly 20 according to the embodiment of the present application, fig. 4 shows an explosion schematic diagram of the transmitting assembly 20 according to the embodiment of the present application, the transmitting assembly 20 includes a first insulating housing 21 and a transmitting coil 22 (not shown in fig. 3), the first insulating housing 21 is detachably mounted on the first fitting 13 in a ring shape, the transmitting coil 22 is fixed in the first insulating housing 21 and is annularly arranged with respect to the first fitting 13 (i.e. the axis of the mandrel 11), and after the transmitting coil 22 receives an alternating current of an external power source, the transmitting coil 22 can generate a changing magnetic field, thereby affecting the relay coil 12 and generating an induced current.
In some embodiments of the present application, the middle of the first insulating housing 21 has a through hole, so that the first insulating housing 21 is disposed on the first fitting 13 through the through hole, and the transmitting coil 22 inside the first insulating housing 21 is disposed in a ring shape with respect to the first fitting 13. In some embodiments of the present application, referring to fig. 3 and 4, a first waterproof connector 29 is provided on the first insulating housing 21 so that a wire connected to an external power source is connected to the transmitting coil 22 and/or the first circuit board in the first insulating housing 21 through the waterproof connector.
In some embodiments of the present application, referring to fig. 3 and 4, the first insulating housing 21 includes a first housing part 211 and a second housing part 212, and the first housing part 211 and the second housing part 212 are butted and fixed by bolting along the axial direction of the core rod 11, so that the transmitting coil 22 can be installed in the first insulating housing 21 and its insulation can be ensured.
It will be appreciated that the composition or mating of the first insulating housing 21 is not limited to the first housing member 211 and the second housing member 212 as shown in fig. 3, and that in some possible embodiments, the first insulating housing 21 may be a closed insulating housing by a greater number of housing members, or the first housing member 211 and the second housing member 212 may be closed insulating housings in a direction perpendicular to the axis of the mandrel 11.
The receiving assembly 30 is connected to an external load (e.g., an on-line monitoring device) via wires so as to supply the external load with the induced current generated by the receiving assembly 30. Specifically, referring to fig. 5 and 6, fig. 5 shows an assembly schematic diagram of a receiving assembly 30 in an embodiment of the present application, fig. 6 shows an explosion schematic diagram of the receiving assembly 30 in an embodiment of the present application, the receiving assembly 30 includes a second insulating housing 31 and a receiving coil 32 (not shown in fig. 5), the second insulating housing 31 is detachably mounted on the second hardware 14 in a ring shape, the receiving coil 32 is fixed in the second insulating housing 31 and is annularly arranged with respect to the second hardware 14, after the relay coil 12 generates an induction current and a varying magnetic field, the receiving coil 32 can generate an induction current, and the induction current can be rectified into a dc power source by a rectifying circuit to supply power to an external load.
In some embodiments of the present application, the second insulating housing 31 has a through hole in the middle, so that the second insulating housing 31 is disposed on the second fitting 14 through the through hole, and the receiving coil 32 inside the second insulating housing 31 is disposed in a ring shape with respect to the second fitting 14. In some embodiments of the present application, referring to fig. 5 and 6, a second waterproof connector 38 is provided on the second insulating housing 31 so that a wire connected to an external load is connected to the receiving coil 32 and/or the second circuit board in the second insulating housing 31 through the waterproof connector.
In some embodiments of the present application, referring to fig. 5 and 6, the second insulating housing 31 includes a third housing piece 311 and a fourth housing piece 312, and the third housing piece 311 and the fourth housing piece 312 are butted and fixed by bolting along the axial direction of the core rod 11, so that the receiving coil 32 can be installed in the second insulating housing 31 and its insulation can be ensured.
It will be appreciated that the composition or mating of the second insulating housing 31 is not limited to the third housing member 311 and the fourth housing member 312 as shown in fig. 5, and in some possible embodiments, the second insulating housing 31 may be a closed insulating housing by a greater number of housing members, or the third housing member 311 and the fourth housing member 312 may be a closed insulating housing in a direction perpendicular to the axis of the mandrel 11.
In the embodiment of the application, the first insulating housing 21 is detachably mounted on the first hardware fitting 13 in a ring shape, and the second insulating housing 31 is detachably mounted on the second hardware fitting 14 in a ring shape, so that the transmitting coil 22 is fixed in the first insulating housing 21 and is annularly arranged relative to the first hardware fitting 13, the receiving coil 32 is fixed in the second insulating housing 31 and is annularly arranged relative to the second hardware fitting 14, and not only can the wireless energy transfer among the transmitting coil 22, the relay coil 12 and the receiving coil 32 be ensured, but also the cracking risk caused by directly leading out wires in the insulating package of the transmitting coil 22 and the receiving coil 32 can be avoided.
In some embodiments of the present application, referring to fig. 7, fig. 7 is a schematic cross-sectional view of a transmitting assembly 20 according to an embodiment of the present application, wherein a first electromagnetic shielding box 23 made of a conductor is disposed inside a first insulating housing 21, and a first circuit board (not shown) having an inverter circuit is disposed inside the first electromagnetic shielding box 23 and electrically connected to a transmitting coil 22.
It should be noted that, the inverter circuit may convert the direct current into the alternating current, so the first circuit board with the inverter circuit may output the alternating current and drive the transmitting coil 22 to generate the alternating magnetic field, so that the relay coil 12 generates the induced current under the action of the alternating magnetic field, and in the related art, since the alternating magnetic field generated by the transmitting coil 22 will generate serious electromagnetic interference on the first circuit board provided with the inverter circuit, it is generally required to separate the transmitting coil 22 from the first circuit board with the inverter circuit, which makes the transmitting assembly 20 not capable of being assembled in a modularized manner and increases maintenance and replacement costs of the transmitting assembly 20.
In the above embodiment, however, since the first circuit board having the inverter circuit is provided in the first electromagnetic shielding case 23 made of a conductor (e.g., a metal material), even if the first electromagnetic shielding case 23 in which the first circuit board is provided in the first insulating case 21, the first electromagnetic shielding case 23 can shield the electromagnetic interference phenomenon of the transmitting coil 22 to the first circuit board, which is equivalent to realizing the modular assembly of the first circuit board having the inverter circuit and the transmitting coil 22 in the first insulating case 21, thereby reducing the maintenance and replacement costs for the transmitting assembly 20.
In some embodiments of the present application, with continued reference to fig. 7, the first electromagnetic shielding box 23 is disposed in the first insulating housing 21 in a non-annular shape, for example, the first electromagnetic shielding box 23 is disposed in a semicircular, quarter-circular or rectangular shape, and since the first electromagnetic shielding box 23 is not circular, the first electromagnetic shielding box 23 made of a conductor is not affected by the transmitting coil 22 to generate an induced current, so that the influence of the first electromagnetic shielding box 23 made of a conductor on the efficiency of the transmitting coil 22 can be reduced, and meanwhile, since the first electromagnetic shielding box 23 and the transmitting coil 22 are respectively disposed on the inner wall surfaces opposite to the first insulating housing 21, the first electromagnetic shielding box 23 and the transmitting coil 22 are separated from each other, so that the eddy current heating phenomenon generated by the first electromagnetic shielding box 23 under the magnetic field of the transmitting coil 22 can be weakened.
In some embodiments of the present application, with continued reference to fig. 7, the first insulating housing 21 is further provided therein with a first coil fixing ring 24 made of an insulating material, the first coil fixing ring 24 divides the inner space of the first insulating housing 21 into a first chamber 201 and a second chamber 202 along the axis of the mandrel 11, the transmitting coil 22 is disposed in the first chamber 201, and the first electromagnetic shielding box 23 is disposed in the second chamber 202, so that the transmitting coil 22 is disposed separately from the first electromagnetic shielding box 23, which is equivalent to further providing an insulating package for the transmitting coil 22, and the first coil fixing ring 24 can also fix the transmitting coil 22, so as to avoid the phenomenon that the transmitting coil 22 and the first electromagnetic shielding box 23 are close to each other due to shaking of the modular multi-relay wireless energy transmission system structure, and finally, the first electromagnetic shielding box 23 generates eddy current heating phenomenon.
In some embodiments of the present application, with continued reference to fig. 7, the transmitting assembly 20 further includes a first annular fixing block 25, a first compression block 27 and at least two first enclasping blocks 26, the first annular fixing block 25 is fixed on the first insulating housing 21, the first annular fixing block 25 has a first through hole 251, the first hardware 13 is penetrated in the first through hole 251, the at least two first enclasping blocks 26 are annularly spaced around the first hardware 13, and the first compression block 27 abuts against the first enclasping blocks 26 such that the at least two first enclasping blocks 26 are filled between the first annular fixing block 25 and the first hardware 13.
It should be noted that, the first enclasping block 26 may be made of a material (such as rubber) with elasticity, after the first pressing block 27 abuts against the first enclasping block 26 and is filled between the first annular fixing block 25 and the first hardware fitting 13, the first enclasping block 26 deforms and generates an elastic force, so that friction forces are generated between the first enclasping block 26 and the first annular fixing block 25 and between the first enclasping block 26 and the first hardware fitting 13, and the first annular fixing block 25 and the first hardware fitting 13 are indirectly fixed by using the first enclasping block 26, so that the first insulating housing 21 is finally fixed on the first hardware fitting 13 through the first enclasping block 26, the first pressing block 27 and the first annular fixing block 25, and the detachable installation between the transmitting assembly 20 and the first hardware fitting 13 is realized.
In some embodiments of the present application, the first compression block 27 may be fixed to the first annular fixed block 25 by a bolt, so that the first enclasping block 26 is abutted into the annular chamber between the first annular fixed block 25 and the first hardware 13 by the pretensioning force of the bolt. It will be appreciated that the first compression block 27 may also be fixed to the first insulating housing 21 by a bolt, and the first holding block 26 is abutted into the annular cavity between the first annular fixing block 25 and the first fitting 13 by using the pre-tightening force of the bolt between the first insulating housing 21 and the first compression block 27.
In some embodiments of the present application, with continued reference to fig. 7 and 8, fig. 8 shows a schematic structural diagram of the first enclasping block 26 in an embodiment of the present application, the inner diameter of the first through hole 251 gradually decreases in a direction pointing to the relay coil 12 (the abutting direction of the first compression block 27 as shown in fig. 7), and the cross-sectional area of the first enclasping block 26 perpendicular to the axis of the first through hole 251 gradually decreases in a direction pointing to the relay coil 12 (the abutting direction of the first compression block 27 as shown in fig. 7).
For example, taking the first through hole 251 as a circular hole as an example, the first through hole 251 is a conical hole with an inner diameter gradually decreasing along the propping direction of the first compression block 27, and an outer wall surface of the first enclasping block 26, which is in contact with the first through hole 251, is a conical cambered surface, so when the first compression block 27 compresses the first enclasping block 26 to move along the propping direction, at least two first enclasping blocks 26 arranged at intervals will be close together to enclasp the first hardware 13, and finally, the fixation of the transmitting assembly 20 on the first hardware 13 is realized.
It will be appreciated that the embodiment of the first through hole 251 and the first enclasping block 26 is not limited thereto, for example, the first through hole 251 may also be a square tapered hole, and the outer wall surface of the first enclasping block 26 is a bevel surface in which the square tapered hole is matched.
In some embodiments of the present application, with continued reference to fig. 7 and 8, the first enclasping block 26 has a plurality of first enclasping portions 261 spaced apart in a circumferential direction about the first clamp 13, and first connecting portions 262 connecting adjacent first enclasping portions 261 along an outer circumference of the first enclasping block 26, wherein ends of the adjacent first enclasping portions 261 facing away from the first connecting portions 262 are folded toward each other when the first clamping block 27 is pressed against the first enclasping block 26 to reduce an inner circumferential diameter of the first enclasping block 26 and enclasp the first clamp 13.
It should be noted that, since the cross-sectional area of the first enclasping block 26 perpendicular to the axial direction of the first through hole 251 is gradually reduced along the abutting direction of the first compression block 27, when the first compression block 27 compresses the first enclasping block 26, due to being compressed by the inner wall surface of the first through hole 251, the adjacent first enclasping portions 261 will close to each other at the end facing away from the first connecting portion 262, so as to reduce the inner peripheral diameter of the first enclasping block 26 and make the plurality of first enclasping portions 261 form a ring-shaped enclasping first hardware fitting 13, that is, for the first enclasping block 26, the first enclasping block 26 may form a ring-shaped enclasping first hardware fitting 13 under the abutting of the first compression block 27, so as to realize circumferential multi-point fixation of the first hardware fitting 13, thereby being beneficial to improving the fixation firmness between the first compression block 27 and the first hardware fitting 13, and finally making the transmitting assembly 20 more reliably fixed on the first hardware fitting 13.
In some embodiments of the present application, the first annular fixed block 25 and the first enclasping block 26 have electrical conductivity, wherein the first enclasping block 26 is in electrical contact with the first hardware 13, such that the first annular fixed block 25, the first enclasping block 26 and the first hardware 13 form an equipotential body, and the first annular fixed block 25 and the first enclasping block 26 are located on a side of the transmitting coil 22 away from the relay coil 12.
It should be noted that, since the first annular fixing block 25 and the first enclasping block 26 have conductivity, the first enclasping block 26 is electrically contacted with the first hardware fitting 13, and the first annular fixing block 25, the first enclasping block 26 and the first hardware fitting 13 form an equipotential body, so the first annular fixing block 25 can also play a role in improving the voltage distribution of the first hardware fitting 13. Meanwhile, since the first annular fixing block 25 and the first enclasping block 26 are located at the side of the transmitting coil 22 away from the relay coil 12, the eddy current heating phenomenon caused by the influence of the magnetic field on the first annular fixing block 25 and the first enclasping block 26, which are electrically conductive, can be avoided.
In some embodiments of the present application, with continued reference to fig. 3 and 4, the transmitting assembly 20 further includes a first equalizing ring 28 fixed on the first insulating housing 21, and the first equalizing ring 28 is electrically connected to the first annular fixed block 25, so that the first equalizing ring 28 and the first hardware 13 form an equipotential body and exert a uniform electric field effect. Meanwhile, since the first equalizing ring 28 is located at the outer periphery of the transmitting coil 22, the magnetic field of the transmitting coil 22 at the outer periphery is weak, so that the phenomenon of eddy current heating caused by the influence of the magnetic field on the first equalizing ring 28 due to the approach of the transmitting coil 22 is avoided.
In some embodiments of the present application, referring to fig. 9, fig. 9 is a schematic cross-sectional view of a receiving assembly 30 according to an embodiment of the present application, wherein a second electromagnetic shielding box 33 made of a conductor is disposed inside a second insulating housing 31, and a second circuit board (not shown) having a rectifying circuit is disposed inside the second electromagnetic shielding box 33, and the second circuit board is electrically connected to a receiving coil 32.
It should be noted that, in the related art, since the alternating magnetic field generated by the receiving coil 32 will generate serious electromagnetic interference on the second circuit board provided with the inverter circuit, the receiving coil 32 needs to be separated from the second circuit board provided with the inverter circuit, which makes the receiving assembly 30 not be assembled in a modularized manner and increases maintenance and replacement costs of the receiving assembly 30.
In the above embodiment, however, since the second circuit board having the inverter circuit is provided in the second electromagnetic shielding case 33 made of a conductor (e.g., a metal material), even if the second electromagnetic shielding case 33 in which the second circuit board is provided in the second insulating case 31, the second electromagnetic shielding case 33 can shield the receiving coil 32 from the electromagnetic interference phenomenon of the second circuit board, which is equivalent to realizing the modular assembly of the second circuit board having the inverter circuit and the receiving coil 32 in the second insulating case 31, thereby reducing the maintenance and replacement costs of the receiving assembly 30.
In some embodiments of the present application, with continued reference to fig. 9, the second electromagnetic shielding box 33 is disposed in the second insulating housing 31 in a non-annular shape, for example, the second electromagnetic shielding box 33 is disposed in a semicircular, quarter-circular or rectangular shape, and since the second electromagnetic shielding box 33 is not circular, the second electromagnetic shielding box 33 made of a conductor is not affected by the receiving coil 32 to generate an induced current, so that the effect of the second electromagnetic shielding box 33 made of a conductor on the efficiency of the receiving coil 32 can be reduced, and meanwhile, since the second electromagnetic shielding box 33 and the receiving coil 32 are respectively disposed on the inner wall surfaces opposite to the second insulating housing 31, the second electromagnetic shielding box 33 and the receiving coil 32 are separated from each other, so that the eddy current heating phenomenon generated by the second electromagnetic shielding box 33 under the magnetic field of the receiving coil 32 can be weakened.
In some embodiments of the present application, with continued reference to fig. 9, the second insulating housing 31 is further provided therein with a second coil fixing ring 34 made of an insulating material, the second coil fixing ring 34 divides the inner space of the second insulating housing 31 into a third chamber 301 and a fourth chamber 302 along the axis of the mandrel 11, the receiving coil 32 is disposed in the third chamber 301, and the second electromagnetic shielding box 33 is disposed in the fourth chamber 302, so that the receiving coil 32 is disposed separately from the second electromagnetic shielding box 33, which is equivalent to further providing an insulating package for the receiving coil 32, and the second coil fixing ring 34 can also fix the receiving coil 32, so as to avoid the eddy current heating phenomenon of the second electromagnetic shielding box 33 caused by the close of the receiving coil 32 and the second electromagnetic shielding box 33 due to shaking of the modular multi-relay wireless energy transmission system structure.
In some embodiments of the present application, with continued reference to fig. 9, the receiving assembly 30 further includes a second annular fixing block 35, a second compression block 37 and at least two second holding blocks 36, wherein the second annular fixing block 35 is fixed on the second insulating housing 31, the second annular fixing block 35 has a second through hole 351, the second fitting 14 is penetrated in the second through hole 351, the at least two second holding blocks 36 are annularly spaced around the second fitting 14, and the second compression block 37 abuts against the second holding blocks 36 such that the at least two second holding blocks 36 are filled between the second annular fixing block 35 and the second fitting 14.
It should be noted that, the second enclasping block 36 may be made of a material (such as rubber) with elasticity, after the second pressing block 37 abuts against the second enclasping block 36 and is filled between the second annular fixing block 35 and the second hardware fitting 14, the second enclasping block 36 deforms and generates elastic force, so that friction forces are generated between the second enclasping block 36 and the second annular fixing block 35 and between the second enclasping block 36 and the second hardware fitting 14, and the second enclasping block 36 is utilized to indirectly fix the second annular fixing block 35 and the second hardware fitting 14, so that finally, the second insulating housing 31 is fixed on the second hardware fitting 14 through the second enclasping block 36, the second pressing block 37 and the second annular fixing block 35, and the detachable installation between the receiving assembly 30 and the second hardware fitting 14 is realized.
In some embodiments of the present application, the second enclasping block 36 may be enclasped on the hardware at one end of the second hardware 14. In other embodiments of the present application, the second enclasping block 36 may be enclasped on the insulating encapsulation layer on the surface of the second hardware 14.
In some embodiments of the present application, the second compression block 37 may be fixed to the second annular fixing block 35 by a bolt, so that the second enclasping block 36 is abutted between the second annular fixing block 35 and the second hardware fitting 14 by a pretensioning force of the bolt. It will be appreciated that the second compression block 37 may also be fixed to the second insulating housing 31 by a bolt, and the second holding block 36 is abutted between the second annular fixing block 35 and the second fitting 14 by using a pre-tightening force of the bolt between the second insulating housing 31 and the second compression block 37.
In some embodiments of the present application, with continued reference to fig. 9 and 10, fig. 10 shows a schematic structural diagram of the second enclasping block 36 in an embodiment of the present application, the inner diameter of the second through hole 351 gradually decreases in a direction pointing to the relay coil 12 (the abutting direction of the second pressing block 37 shown in fig. 9), and the cross-sectional area of the second enclasping block 36 perpendicular to the axis of the second through hole 351 gradually decreases in a direction pointing to the relay coil 12 (the abutting direction of the second pressing block 37 shown in fig. 9).
For example, taking the second through hole 351 as a circular hole as an example, the second through hole 351 is a conical hole with an inner diameter gradually decreasing along the abutting direction of the second pressing block 37, and an outer wall surface of the second holding block 36 in contact with the second through hole 351 is a conical cambered surface, so when the second pressing block 37 presses the second holding block 36 to move along the abutting direction, at least two second holding blocks 36 arranged at intervals will be close together to hold the second hardware fitting 14 tightly, and finally, the fixing of the receiving assembly 30 on the second hardware fitting 14 is realized.
It is understood that the embodiment of the second through hole 351 and the second enclasping block 36 is not limited thereto, for example, the second through hole 351 may also be a square tapered hole, and an outer wall surface of the second enclasping block 36 is an inclined surface matched with the square tapered hole.
In some embodiments of the present application, with continued reference to fig. 9 and 10, the second enclasping block 36 has a plurality of second enclasping portions 361 that are spaced apart in a circumferential direction about the second hardware fitting 14, and a second connecting portion 362 that connects adjacent second enclasping portions 361 along an outer circumference of the second enclasping block 36, wherein ends of the adjacent second enclasping portions 361 that face away from the second connecting portion 362 are folded toward each other when the second compression block 37 compresses the second enclasping block 36 to reduce an inner circumferential diameter of the second enclasping block 36 and enclasp the second hardware fitting 14.
It should be noted that, since the cross-sectional area of the second enclasping block 36 perpendicular to the axial direction of the second through hole 351 is gradually reduced along the abutting direction of the second pressing block 37, when the second pressing block 37 presses the second enclasping block 36, due to the pressing of the inner wall surface of the second through hole 351, the adjacent second enclasping portions 361 will close to each other at the end facing away from the second connecting portion 362, so as to reduce the inner peripheral diameter of the second enclasping block 36 and make the plurality of second enclasping portions 361 form a ring shape to enclasp the second hardware fitting 14, that is, for the second enclasping block 36, the second enclasping block 36 may form a ring shape to enclasp the second hardware fitting 14 under the abutting of the second pressing block 37, so as to realize circumferential multi-point fixation of the second hardware fitting 14, thereby being beneficial to improving the fixation firmness between the second pressing block 37 and the second hardware fitting 14, and making the receiving assembly more reliably fixed on the second hardware fitting 14.
It should be noted that the foregoing description of the modular multi-relay wireless energy transfer system structure is intended to clearly illustrate that the present application may be implemented with equivalent modifications or further modifications by those skilled in the art under the guidance of the present application, for example, in fig. 7, the first equalizing ring 28 is fixed to the first annular fixing block 25 by an integral metal arm, and in some possible embodiments, the first equalizing ring 28 may be further fixed to the outer periphery of the first annular fixing block 25, and for example, sealing rings and/or sealing glue are used at each sealing place to further improve the waterproof performance of the transmitting assembly 20 and/or the receiving assembly 30.
Furthermore, in order to better implement the modularized multi-relay wireless energy transmission system structure in the embodiment of the application, the application also provides an electric line on-line monitoring system based on the modularized multi-relay wireless energy transmission system structure, which comprises a power supply, the modularized multi-relay wireless energy transmission system structure implemented by any one of the above and on-line detection equipment, wherein the modularized multi-relay wireless energy transmission system structure is electrically connected with the power supply, and the on-line monitoring equipment is electrically connected with the modularized multi-relay wireless energy transmission system structure, so that the power supply supplies power to the on-line monitoring equipment through the modularized multi-relay wireless energy transmission system structure. Because the on-line monitoring system for the electric line in the embodiment of the application is provided with the modularized multi-relay wireless energy transmission system structure in the embodiment, the on-line monitoring system has all the beneficial effects of the modularized multi-relay wireless energy transmission system structure, and the description is omitted.
In the foregoing embodiments, the descriptions of the embodiments are focused on, and the portions of one embodiment that are not described in detail in the foregoing embodiments may be referred to in the foregoing detailed description of other embodiments, which are not described herein again.
While the basic concepts have been described above, it will be apparent to those skilled in the art that the foregoing detailed disclosure is by way of example only and is not intended to be limiting. Although not explicitly described herein, various modifications, improvements and adaptations of the application may occur to one skilled in the art. Such modifications, improvements, and modifications are intended to be suggested within the present disclosure, and therefore, such modifications, improvements, and adaptations are intended to be within the spirit and scope of the exemplary embodiments of the present disclosure.
Meanwhile, the present application uses specific words to describe embodiments of the present application. Reference to "one embodiment," "an embodiment," and/or "some embodiments" means that a particular feature, structure, or characteristic is associated with at least one embodiment of the application. Thus, it should be emphasized and should be appreciated that two or more references to "an embodiment" or "one embodiment" or "an alternative embodiment" in various positions in this specification are not necessarily referring to the same embodiment. Furthermore, certain features, structures, or characteristics of one or more embodiments of the application may be combined as suitable.
Similarly, it should be noted that in order to simplify the description of the present disclosure and thereby aid in understanding one or more inventive embodiments, various features are sometimes grouped together in a single embodiment, figure, or description thereof. This method of disclosure does not imply that the subject application requires more features than are set forth in the claims. Indeed, less than all of the features of a single embodiment disclosed above.
The foregoing describes a modular multi-relay wireless energy transmission system structure provided by the embodiments of the present application in detail, and specific examples are used herein to illustrate the principles and embodiments of the present application, and the above description of the embodiments is only for aiding in understanding the method and core concept of the present application, and meanwhile, for those skilled in the art, according to the concept of the present application, there are variations in the specific embodiments and application scope, so that the disclosure should not be interpreted as limiting the application.
Claims (13)
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| WO2015037046A1 (en) * | 2013-09-10 | 2015-03-19 | 中国電力株式会社 | Contactless power feeding system, and contactless power feeding method |
| CN106602745B (en) * | 2017-01-18 | 2019-06-28 | 广东电网有限责任公司电力科学研究院 | A kind of high pressure on-line monitoring equipment wireless power method and device |
| JP7200600B2 (en) * | 2018-03-30 | 2023-01-10 | 株式会社リコー | Communication systems, upload methods and programs |
| CN108612387B (en) * | 2018-04-28 | 2019-10-25 | 武汉大学 | A wireless power transmission system installation device suitable for high-voltage transmission line towers |
| CN109714745B (en) * | 2019-03-13 | 2022-03-01 | 清华四川能源互联网研究院 | Transmission line monitoring data transmission system |
| CN113241838A (en) * | 2021-06-18 | 2021-08-10 | 南方电网电力科技股份有限公司 | Wireless power supply device and method for intelligent monitoring equipment of high-voltage line |
| CN113746207B (en) * | 2021-07-29 | 2024-04-16 | 广西电网有限责任公司电力科学研究院 | Non-contact power supply system of power monitoring equipment |
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| CN108631450A (en) * | 2018-03-26 | 2018-10-09 | 王朋 | A kind of high efficiency radio energy transmission system based on resonance insulator chain new construction |
| CN109177761A (en) * | 2018-09-28 | 2019-01-11 | 吉林大学 | A kind of electric car non-contact charger |
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